Consolidated statements of operations and comprehensive income (loss) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue		$ 13,817,000	$ 4,831,000	$ 172,386,000	$ 9,048,000
Operating expenses:
Research and development		25,855,000	21,136,000	58,531,000	43,504,000
General and administrative		15,262,000	13,037,000	29,915,000	23,258,000
Total operating expenses	[1]	41,117,000	34,173,000	88,446,000	66,762,000
Income (loss) from operations		(27,300,000)	(29,342,000)	83,940,000	(57,714,000)
Other income (expense):
Interest income (expense), net		3,789,000	3,695,000	6,678,000	6,121,000
Other income (expense), net		28,000	(48,000)	57,000	(476,000)
Total other income (expense)		3,817,000	3,647,000	6,735,000	5,645,000
Income (loss) before income taxes		(23,483,000)	(25,695,000)	90,675,000	(52,069,000)
Provision for income taxes		0	0	(1,278,000)	0
Net income (loss)		$ (23,483,000)	$ (25,695,000)	$ 89,397,000	$ (52,069,000)
Net income (loss) per share:
Basic		$ (0.4)	$ (0.46)	$ 1.54	$ (1.02)
Diluted		$ (0.4)	$ (0.46)	$ 1.5	$ (1.02)
Weighted-average common shares outstanding:
Basic		58,353,855	55,765,948	58,109,622	51,288,222
Diluted		58,353,855	55,765,948	59,681,472	51,288,222
Comprehensive income (loss):
Net Income (Loss)		$ (23,483,000)	$ (25,695,000)	$ 89,397,000	$ (52,069,000)
Other comprehensive gain (loss):
Unrealized gain (loss) on marketable securities		200,000	(15,000)	247,000	9,000
Total other comprehensive gain (loss)		200,000	(15,000)	247,000	9,000
Comprehensive income (loss)		$ (23,283,000)	$ (25,710,000)	$ 89,644,000	$ (52,060,000)

[1] Includes costs incurred for conducting non-program activities related to Company activities.